(This is a sponsored post.)
When asked “Why Wufoo?" they say:
Because you’re busy and want your form up and running yesterday.
Wufoo is a form builder that not only makes it fast and easy to build a form so you really can get it up and running in just minutes, but also has all the power you need. What makes forms hard are things like preventing spam, adding logic, making them mobile friendly, and integrating what you collect …
Wufoo is a post from CSS-Tricks